Home / 152,143.70-228,215.55-99,266.90

Finding the Fourth Proportional to 152,143.70, 228,215.55 and 99,266.90

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Solution

The fourth proportional to 152,143.70, 228,215.55 and 99,266.90 is: 148,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,143.70 : 228,215.55 = 99,266.90 : x
  2. Step 2: Convert to fraction form
    152,143.70/228,215.55 = 99,266.90/x
  3. Step 3: Cross multiply
    152,143.70x = 228,215.55 × 99,266.90
  4. Step 4: Simplify right side
    152,143.70x = 22,654,250,180.30
  5. Step 5: Solve for x
    x = 22,654,250,180.30/152,143.70
  6. Step 6: Final answer
    x = 148,900.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.